Re: [PATCH 1/6] dt-bindings: regulator: qcom,usb-vbus-regulator: add PMI8998

[Bryan O'Donoghue]

On 18/05/2026 21:22, taygoth wrote:
> The Qualcomm PMI8998 PMIC integrates a USB OTG VBUS boost converter
> inside its SMB2 charger block at offset 0x1100. The OTG control
> register layout (CMD_OTG at +0x40, OTG_CURRENT_LIMIT_CFG at +0x52,
> OTG_CFG at +0x53) matches the PM8150B SMB5 block, so the existing
> qcom_usb_vbus-regulator driver can drive it without code changes via
> compatible cascade.
>
> Verified by inspecting the downstream qpnp-smb2 driver and reading
> live register values on a OnePlus 6T (sdm845-oneplus-fajita) running
> mainline Linux.
>
> Signed-off-by: taygoth <taygoth@xxxxxxxxx>
> ---
>   .../devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml   | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml
> index fcefc722ee2a..9e2e2c8f9539 100644
> --- a/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml
> +++ b/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml
> @@ -28,6 +28,7 @@ properties:
>                 - qcom,pm6150-vbus-reg
>                 - qcom,pm7250b-vbus-reg
>                 - qcom,pmi632-vbus-reg
> +              - qcom,pmi8998-vbus-reg
>             - const: qcom,pm8150b-vbus-reg
>   
>     reg:

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>

---
bod